<template>
  <div class="app-container">
    <UploadExcel :on-success="handleSuccess" :before-upload="beforeUpload" />
    <el-table :data="tableData" border highlight-current-row style="width: 100%;margin-top:20px;">
      <el-table-column v-for="item of tableHeader" :key="item" :prop="item" :label="item" />
    </el-table>
  </div>
</template>

<script>
import { formatExcelDate } from '@/utils'
import { importEmployee } from '@/api/employees'
export default {
  name: 'Import',
  data() {
    return {
      tableData: [],
      tableHeader: []
    }
  },
  methods: {
    beforeUpload(file) {
      const isLt1M = file.size / 1024 / 1024 < 1

      if (isLt1M) {
        return true
      }

      this.$message({
        message: 'Please do not upload files larger than 1m in size.',
        type: 'warning'
      })
      return false
    },
    handleSuccess({ results, header }) {
      this.tableData = results
      this.tableHeader = header
      console.log('results', results)
      console.log('header', header)
      const data = this.transExcel(results)
      console.log(data, '中文转英文')
      this.doAdd(data)
    },
    async doAdd(data) {
      try {
        const res = await importEmployee(data)
        console.log('excel上传', res)
        this.$router.back()
      } catch (error) {
        console.log(error)
      }
    },
    transExcel(data) {
      const mapInfo = {
        '入职日期': 'timeOfEntry',
        '手机号': 'mobile',
        '姓名': 'username',
        '转正日期': 'correctionTime',
        '工号': 'workNumber',
        '部门': 'departmentName'

      }

      return data.map(zhObj => {
        const enObj = {}
        const zhKeys = Object.keys(zhObj) // ['姓名', '手机号']

        zhKeys.forEach(zhKey => {
          const enKey = mapInfo[zhKey]
          if (enKey === 'timeOfEntry' || enKey === 'correctionTime') {
            enObj[enKey] = new Date(formatExcelDate(zhObj[zhKey]))
          } else {
            enObj[enKey] = zhObj[zhKey]
          }
        })

        return enObj
      })
    }
  }
}
</script>
